{"id":"CVE-2020-20214","aliases":["EUVD-2020-13001","GHSA-3h5q-gg6w-2g7p"],"status":"published","title":"Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the...","description":"Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.03108,"percentile":0.87893,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-617"],"published":"2021-05-18T18:21:41Z","modified":"2026-06-17T03:02:52Z","products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"https://mikrotik.com/","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"http://seclists.org/fulldisclosure/2021/May/15","tags":["mailing-list","x_refsource_FULLDISC","x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-Corruption-Assertion-Failure.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20214"},{"url":"https://github.com/advisories/GHSA-3h5q-gg6w-2g7p"}],"sources":{"cve":[{"id":"CVE-2020-20214","description":"Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.","status":"published","published":"2021-05-18T18:21:41Z","modified":"2024-08-04T14:15:29.016Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13001","description":"Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.","status":"published","published":"2021-05-18T18:21:41Z","modified":"2024-08-04T14:15:29Z","updated_at":"2026-11-03T03:07:24.770982Z"}],"ghsa":[{"id":"GHSA-3h5q-gg6w-2g7p","title":"Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the...","description":"Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.","status":"published","published":"2022-05-24T19:02:42Z","modified":"2023-01-29T05:06:43Z","cwes":["CWE-617"],"updated_at":"2026-11-02T14:46:05.419939Z"}],"nvd":[{"id":"CVE-2020-20214","description":"Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.","status":"published","published":"2021-05-18T19:15:07.697Z","modified":"2026-06-17T03:02:52.237Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:06:39.25999Z"}]}}